| commit | 5bdd3536cbbe2ecd94ecc14410c6b1b31da16381 | |
| author | Yan, Zheng <zheng.yan@oracle.com> | |
| Wed, 26 May 2010 15:20:30 +0000 (26 11:20 -0400) | ||
| committer | Chris Mason <chris.mason@oracle.com> | |
| Thu, 27 May 2010 01:35:33 +0000 (26 21:35 -0400) | ||
| tree | 7fd9cd2cb497f6150a5dfde4528ba6ba64144e40 | treesnapshot (tar.gz zip) |
| parent | 46bfbb5c0740c200d2b66afcbd1f9d64ab320940 | commitdiff |
Btrfs: Fix block generation verification race
After the path is released, the generation number got from block
pointer is no long valid. The race may cause disk corruption, because
verify_parent_transid() calls clear_extent_buffer_uptodate() when
generation numbers mismatch.
Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
After the path is released, the generation number got from block
pointer is no long valid. The race may cause disk corruption, because
verify_parent_transid() calls clear_extent_buffer_uptodate() when
generation numbers mismatch.
Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
| fs/btrfs/ctree.c | diffblobblamehistory |